数控加工类毕业设计
4.3进给速度的确定 ......................................................................................................... 11 4.4切削用刀具材料应具备的性能 ................................................................................. 13 4.5背吃刀量ap的确定..................................................................................................... 13 5 加工工艺文件制定 ............................................................................................................ 15
5.1制定工艺文件 ............................................................................................................. 15 5.2 工序卡 ........................................................................................................................ 16 5.3刀具卡 ......................................................................................................................... 18 5.4走刀路线图 ................................................................................................................. 20 6 程序编写与零件加工 ........................................................................................................ 23
6.1加工程序编写 ............................................................................................................. 23 6.2零件加工 ..................................................................................................................... 23 6.3数控编程的定义 ......................................................................................................... 23 6.4数控编程的内容与步骤 ............................................................................................. 23 6.5 零件加工步骤 ............................................................................................................ 24 6.6数控编程的分类 ......................................................................................................... 25 6.7花瓣凸台与方型腔的加工程序编制 ......................................................................... 26 7 加工质量分析 .................................................................................................................... 35
7.1尺寸精度分析 ............................................................................................................. 35 7.2表面质量分析 ............................................................................................................. 35 7.3零件的检测结果 ......................................................................................................... 35 总结 .......................................................................................................................................... 37 致谢 .......................................................................................................................................... 38 参考文献 .................................................................................................................................. 39 附录：A4零件图纸